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Lumar (formerly Deepcrawl)

Senior Customer Success Manager

Remote

England, United kingdom

Senior

Full Time

08-01-2026

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Skills

HubSpot Presentation Skills CRM SEO Training Motivation Marketing Agile client interactions Digital Marketing

Job Specifications

Hi, we're Lumar!

We’re a website optimization platform that unites teams, data, and insights to fuel high performing, revenue-driving websites. Lumar makes optimization simple, from SEO and site speed to accessibility, GEO, and custom metrics - all in one platform. With built-in collaboration tools and AI-driven efficiencies, we streamline workflows so teams can focus on what matters most: growth.

And that’s where you come in.

What you’ll be doing

As a Senior Customer Success Manager, you will serve as the primary point of contact for our largest clients, ensuring they receive maximum value from our products and services. You will play a key role in building strong, long-lasting relationships, driving customer satisfaction, and supporting our clients’ growth and success.

Key Responsibilities

Ensure that Lumar clients understand and receive the absolute most value out of the Lumar platform, driving engagement and adoption
Lead a structured onboarding programme, including training and providing relevant support
Coordinate with Professional Services team to ensure timely completion of key deliverables
Negotiate renewals and secure retention of your portfolio of clients
Oversee the day-to-day account administration of clients
Maintain accurate client records in Hubspot and other systems
Collaborate with other departments to provide feedback and insight from clients
Build brand loyalty by being personable, proactive and supporting in all client interactions
Represent Lumar at various industry events 

Key Criteria

A self-starter who has the ability to deliver in a fast-paced and dynamic environment
An excellent communicator who can quickly build strong relationships with clients
Fluent written and spoken English, with strong presentation skills
A strong potential to learn a technical product inside out
A high degree of self-motivation and ambition
A genuine interest in the technology space
A naturally curious mind with a passion for keeping up with the latest trends and developments within the SEO, AI and digital marketing industry
A minimum of 3 years experience in a Customer Success role within a SaaS organisation  
Experience with CRM software

Our culture:

Lumar is committed to its cultural values. They’re not just platitudes, they’re the DNA of our entire company. 

We are agile
We work as one team
We get s*** done
We make an impact
...and we make it fun!

Why join Lumar?

Our people stay at Lumar because they feel challenged, supported, and part of something meaningful. Our average tenure is over 4 years, and in our latest engagement survey, 85% of our team said they’d recommend Lumar as a great place to work.

Benefits and perks

Global footprint, with clients in 55+ countries 
Private medical and dental insurance through Vitality
Monthly budget for health and wellness activities
25 days of paid annual leave
2 paid personal days per year
1 paid volunteering day per quarter
Summer Fridays (mid-June through August)
Annual personal learning budget
Company option shares 
Remote working 

Equal Opportunity:

Lumar is an equal opportunities employer. We do not discriminate on the basis of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, sexual orientation, gender identity, national origin, or any other protected characteristic under applicable law. All employment decisions are based on qualifications, merit, and business needs. We are committed to fostering an inclusive workplace where everyone can thrive.

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Location: Remote (within the UK), with occasional travel for meetings or events

Type: Full-time 

Salary: £50,000-£57,500 based on experience + bonus

About the Company

The technical health of a website plays a major role in both user experience and search engine visibility -- key influences on any business's brand awareness, customer satisfaction, and sales. Lumar is the platform of choice for enterprise companies & teams behind complex, revenue-driving websites around the globe to identify issues preventing their sites reaching their full potential, including technical SEO, web accessibility, site speed, and even bespoke metrics to capture practically anything from the HTML of a web page.... Know more